Authors: H Bergman; F Béland; P Lebel; A P Contandriopoulos; P Tousignant; Y Brunelle; T Kaufman; E Leibovich; R Rodriguez; M Clarfield Journal: CMAJ Date: 1997-10-15 Impact factor: 8.262
Authors: Susan L Ettner; Theodore J Thompson; Mark R Stevens; Carol M Mangione; Catherine Kim; W Neil Steers; Jennifer Goewey; Arleen F Brown; Richard S Chung; K M Venkat Narayan Journal: Health Serv Res Date: 2006-08 Impact factor: 3.402